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Lloyd-Fox S, Blasi A, Volein A, Everdell N, Elwell CE, Johnson MH.Lloyd-Fox S, et al. Among authors: elwell ce.Child Dev. 2009 Jul-Aug;80(4):986-99. doi: 10.1111/j.1467-8624.2009.01312.x.Child Dev. 2009.PMID: 19630889